1030345 has 4 divisors (see below), whose sum is σ = 1236420. Its totient is φ = 824272.

The previous prime is 1030307. The next prime is 1030349. The reversal of 1030345 is 5430301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 227529 + 802816 = 477^2 + 896^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030345 - 2¹⁷ = 899273 is a prime.

It is a super-2 number, since 2×1030345² = 2123221638050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1030349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103030 + ... + 103039.

It is an arithmetic number, because the mean of its divisors is an integer number (309105).

2^1030345 is an apocalyptic number.

It is an amenable number.

1030345 is a deficient number, since it is larger than the sum of its proper divisors (206075).

1030345 is an equidigital number, since it uses as much as digits as its factorization.

1030345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206074.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 1030345 is about 1015.0591115792. The cubic root of 1030345 is about 101.0014377471.

Adding to 1030345 its reverse (5430301), we get a palindrome (6460646).

The spelling of 1030345 in words is "one million, thirty thousand, three hundred forty-five".